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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992349559

1008Image EncodingUSTU PhysTech Cup 20003908336

1016Cube on the WalkUSU Local Contest. 19991694770

1022Genealogical TreeAutumn School Contest 20009552137

1033LabyrinthUral Championship 19995630232

1035Cross-stitchUral Championship 199910051285

1040Airline CompanyUSU Championship 20001313979

1045Funny GameUSU Local Contest. March 20002482514

1056Computer NetNEERC 2000 Central Subregional2421525

1065FrontierNEERC 20008741369

1069Prufer CodeUSU Personal Contest 20012242522

1072RoutingUSU Personal Contest 20012408486

1076Trash1769658

1077Travelling Tours1031408

1080Map ColoringWinter Mathematical Festival Varna 20014599253

1085MeetingSpring School Contest 20011972582

1096Get the Right Route Plate!USU Local Contest. March 20011619673

1099Work Scheduling8151203

1106Two TeamsTetrahedron Team Online Contest May 2001530679

1109ConferenceBulgarian Online Contest September 20011695249

1119MetroAutumn School Contest 2001543378

1124MosaicUSU Championship 20011364309

1128Partition into GroupsUSU Championship 20011002420

1129Door PaintingUSU Championship 2001931452

1136ParliamentNEERC 2001 Central Subregional4212101

1137Bus RoutesNEERC 2001 Central Subregional1404301

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011048402

1156Two RoundsUral Championship 2001. Round 21259336

1160NetworkNEERC 2001 Northern Subregional1372314

1162Currency ExchangeNEERC 2001 Northern Subregional913462

1176HyperchannelsUSU Personal Contest 20021153368

1182Team Them Up!NEERC 2001834507

1198Jobbery812547

1199Mouse1033536

1205By the Underground or by Foot?USU Local Contest. March 20021811235

1208Legendary Teams ContestUSU Local Contest. March 20022230191

1210Kind SpiritsAutumn School Contest 20022849151

1218Episode N-th: The Jedi TournamentUSU Championship 20021298331

1227Rally ChampionshipNEERC 2002 Central Subregional1369314

1237Evacuation PlanNEERC 2002457930

1242WerewolfUSU Personal Contest 20031997217

1250Sea BurialUSU Local Contest. March 2003603710

1254Die HardUSU Local Contest. March 2003665645

1270UnicubeUSU Championship 20031742390

1271Sailing DirectionsUSU Championship 2003854629

1272Non-Yekaterinburg SubwayUSU Championship 20032737160

1277Cops and ThievesNEERC 2003 Central Subregional543796

1280Topological SortingNEERC 2003 Central Subregional2860153

1281River BasinNEERC 2003 Central Subregional3111371

1291Gear-wheelsSpring School Contest 20041067411

1301Cube in LabyrinthUral Championship 1998589739

1314Chase in SubwayUral Championship 2004. Round 1848516

1315MDPAR and MIIARUral Championship 2004. Round 12121995

1320Graph DecompositionUral Championship 2004. Round 21388317

1323ClassmatesUral Championship 2004. Round 2534814

1325DirtUral Championship 2004. Round 2777563

1329Galactic HistoryAutumn School Contest 2004932473

1337BureaucracyAutumn School Contest 20042711587

1338AutomobilesUSU Championship 20042441763

1339BabiesUSU Championship 2004470933

1358CablesSpring School Contest 2005772573

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21922221

1367Top SecretUral Championship 2005. Round 21373053

1379Cups TransportationUral Championship 2005. Round 1598740

1392Dreaming of Stars581762

1399Economical Director2710796

1400Cellular CharactersAutumn School Contest 2005825539

1416ConfidentialUSU Championship 20051053422

1419Maps of the Island WorldsUSU Championship 20053191363

1421Credit OperationsTimus Top Coders: First Challenge780552

1434Buses in VasyukiUSU Personal Contest 20064051047

1441From the History of Gringotts BankUral Championship 20063271279

1447Portkey NetworkUral Championship 20063861089

1449Credit Operations 2Timus Top Coders: Second Challenge2901427

1450Russian PipelinesTimus Top Coders: Second Challenge1430297

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest655473

1487Chinese FootballUSU Championship 20063121270

1500Pass LicensesNEERC 2006 Eastern Subregional626640

1505Oil TransferNEERC 2006 Eastern Subregional1302905

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2811355

1533Fat HobbitsUSU Personal Contest 20073461104

1544Classmates 3Ural Championship 20073141196

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2141658

1569Networking the “Iset”USU Championship 20073361069

1575Yekaterinburg Subway 2Autumn School Contest 2007395911

1580Dean's DebtsAutumn School Contest 2007403894

1610CactusesUral Championship 20081831822

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest953216

1630TalismanUSU Championship 2008354913

1641DutiesAutumn School Contest 2008706462

1643Attack of the Dark FortressAutumn School Contest 2008714457

1651Shortest SubchainNEERC 2008 Eastern Subregional941347

1652Banking CrisisNEERC 2008 Eastern Subregional1192559

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1531996

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1861650

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest953021

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2901057

1709Penguin-AviaUral Championship 20092005156

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional551530

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest963296

1770The Party of Ural ChampionsUral Championship 20101741524

1806Mobile TelegraphsNEERC 2010 Eastern Subregional425603

1833Hopes of RowingUral Championship 2011962321

1837Isenbaev's NumberUral Championship 2011412360

1847ZamkadyePetrozavodsk Summer 2010. USU Contest474103

1882Old NokiaUral Regional School Programming Contest 2011822510

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional563402

1905Travel in TimeUral Championship 2012203944

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional231832

1930Ivan's CarUral Regional School Programming Contest 20121094181

1934Black SpotUral FU Championship 2012647302

1966Cycling RoadsUral FU Personal Contest 2013290602

1980Road to InvestorUral Championship 2013317542

1982Electrification PlanUral FU Championship 20131340127

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional197692

2017Best of a bad lotNEERC 2014 Eastern Subregional135987

2030Awesome Backup SystemUral Regional School Programming Contest 2014340406

2034CaravansUral Regional School Programming Contest 2014512272

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest621951

2055Urban GeographyUral Championship 2015971193

2093All Roads Lead to SnowdriftUral FU Personal Contest 2014761111